问题

The history teacher often tells his students to________the knowledge they’ve learned accordingto chapters.[ ]

A: divide
B: separate
C: classify
D: collect

正确答案是：

同类题型

It ________ us nearly a whole day to finish the work.

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up, ________ you will miss the train.It’s leaving in ten minutes.

It’s important ______ us students ______ carefully in class.